Correct Answer: Option B
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Explanation / व्याख्या:
Pair k⁷+(101-k)⁷: since 7 is odd, this is div by (k+(101-k))=101. 50 pairs×101=5050. 5050/202=25. Remainder=0.
k⁷+(101-k)⁷, 101 से विभाज्य। 50 जोड़े। कुल/202=0 शेष।